Name	Class	Category	OTC	FDA/IWN
Prazosin	Cardiovascular Agent, Antihypertensive, Alpha Adrenoreceptor Blocker	Allopathy	Prescription	FDA
Precipitated Sulpher	Dermatological/Topical Agent, Dermatological/Topical Agent, Steroid	Allopathy	OTC	FDA
Precipitated Sulpher + Salicylic Acid	Dermatological/Topical Agent, Topical Acne Agent	Allopathy	Prescription	FDA
Prednisolone	Dermatological/Topical Agent, Ophthalmic Preparation, Hormonal Agent, Steroid, Glucocorticoid	Allopathy	Prescription	FDA
Prednisolone Anhydrous	Dermatological/Topical Agent, Ophthalmic Preparation, Steroid	Allopathy	Prescription	FDA
Pregabalin	Central Nervous System Agent, Anticonvulsant / Antiepileptic Agent, Psychotherapeutic Agent, GABA Analogue	Allopathy	Prescription	FDA
Prilocaine	Dermatological/Topical Agent, Anesthetic, Local Anesthetic	Allopathy	Prescription	FDA
Primaquine	Antiinfective Agent, Antimalarial Agent, Quinoline	Allopathy	Prescription	FDA
Primrose Oil	Dermatological/Topical Agent, Nutritional Supplement, Dietary Suppleement, Antipsoriatics	Allopathy	Prescription	FDA
Procain Penicillin G	Antiinfective Agent, Antibiotic, Penicillin	Allopathy	Prescription	FDA
Procaine Benzylpenicillin	Antiinfective Agent, Antibiotic, Penicillin, Antibiotic Anesthetic Combination, Local Anesthetic	Allopathy	Prescription	FDA
Procaine Benzylpenicillin + Streptomycin	Penicillin, Aminoglycoside, Antibiotic Combination, Antiinfective Agent	Allopathy	Prescription	FDA
Procaine Penicillin	Antiinfective Agent, Antibiotic, Penicillin	Allopathy	Prescription	FDA
Prochlorperazine Maleate	Central Nervous System Agent, Psychotherapeutic Agent, Phenothiazine	Allopathy	Prescription	FDA
Procyclidine Hydrochloride	Central Nervous System Agent, Anti-Parkinson Agent	Allopathy	Prescription	FDA
Progesterone	Hormonal Agent, Sex Hormone, Steroid	Allopathy	Prescription	FDA
Promethazine Hydrochloride	Central Nervous System Agent, Respiratory Agent, Antihistamine, Phenothiazine	Allopathy	Prescription	FDA
Promethazine Theoclate	Respiratory Agent, Antihistamine	Allopathy	Prescription	FDA
Propafenone Hydrochloride	Cardiovascular Agent, Antiarrhythmic Agent, Sodium Channel Blocker	Allopathy	Prescription	FDA
Propantheline Bromide	Gastrointestinal Agent, Antispasmodic, Anticholinergic Agent	Allopathy	Prescription	FDA